Gaheli Environmental Laboratory provides Field Monitoring Services as per the specific requirements of the project activity. Indoor and outdoor air quality monitoring services include activities like fugitive emissions and source pollution analysis, stack, vent and source duct gases. Further, air quality monitoring is devised with special reference to reduction of source-emission. Respirable Dust samplers are used to collect particulate matter of various sizes separately. These samplers are used to collect gaseous pollutants such as SOX, NOX etc.